I saw one Cafe, a few formula's and many other various boats with ASD 8's. I have a cat with 8's.
Arneson 8's are virtually indestructible. I can assure you of one thing, that boat with the right power will run like a raped ape in a straight line. Turning may be a major issue. Docking with staggered power, big motors, large props is, well, how you spell "beotch."
The cat is not too bad. You have about 8 feet between the shafts. On this Cig the props are almost touching. Probably have to dock it like a single engine boat.